CN101483910B - Sending terminal equipment and power control method thereof - Google Patents
Sending terminal equipment and power control method thereof Download PDFInfo
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- CN101483910B CN101483910B CN2008102410630A CN200810241063A CN101483910B CN 101483910 B CN101483910 B CN 101483910B CN 2008102410630 A CN2008102410630 A CN 2008102410630A CN 200810241063 A CN200810241063 A CN 200810241063A CN 101483910 B CN101483910 B CN 101483910B
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Abstract
The invention provides a piece of sender equipment and a power control method thereof, wherein, the equipment is used for a Time Division Synchronous Code Division Multiple Access system and comprises an acquisition module which extracts coding combination transmission channel configuration information from the high layer of a communication entity, and acquires a first physical time slot allocated to a current session procedure from the physical resource information of the coding combination transmission channel configuration information; a state analyzing module which is used for analyzing the state of the first physical time slot when the number of the first physical time slot is larger than 1; a first power regulation module which is used for regulating the current transmit power of the physical time slot in an activated state to a preset step towards a power regulation direction; and a second power regulation module which is used for regulating the current transmit power of the physical time slot that is in an idle state in the first physical time slot so as to be suitable for a current network status. The equipment and method of the invention can increase matching ability between the transmit power and network status after the physical time slot being conversed from the idle state to the activated state, and can increase system throughput capacity.
Description
Technical field
The invention belongs to the mobile communication system field, particularly relate to sending ending equipment and Poewr control method thereof in a kind of TD-SCDMA of being applied in (TD SDMA) system.
Background technology
Compare with the 2G mobile communication system, bigger characteristics of TD-SCDMA communication system are the data services that higher rate can be provided.
In the TD-SCDMA mobile communication system, when the data service rate of request is higher, carries this professional physical code channel resource and might be assigned to a plurality of time slots.When data are mapped to physical channel from transmission channel, the process of a resource active is arranged.When the transmission rate of reality was relatively hanged down, some distributed to user's physical slot by time when carrying out the resource active operation, might not activate.And when actual transfer rate improves, the physical slot by time that should not have to activate might be activated, that is to say, in the Business Processing process, the physical slot by time of distributing to the user is not all to be in state of activation in each Transmission Time Interval, and this situation can often appear in the actual communication systems.
When existing Poewr control method runs into this situation, can not handle with the pattern of discontinuous transmission, because just some time slot is not activated, rather than conversation procedure is in the state of discontinuous transmission.
The control procedure of existing Poewr control method comprises the steps:
According to the magnitude relationship between SIR (Signal to Interference Ratio, signal interference ratio) measured value and the sir target value, be TPC order assignment;
Sending ending equipment is adjudicated the TPC bit, determines power adjustment direction according to court verdict;
Sending ending equipment is adjusted the default step-length of direction adjustment with current power to described power;
Sending ending equipment carries out data with adjusted power and sends.
Above-mentioned sending ending equipment can be the base station, also can be mobile communication terminal.
The inventor finds that there is following shortcoming at least in prior art in the process that realizes the embodiment of the invention:
When the transmission rate of reality is relatively hanged down, for all time slots of distributing to the user, no matter whether activate, sending ending equipment (base station or mobile communication terminal) all is that the court verdict according to the TPC bit carries out power and raises, and like this, improves in transmission rate, after making that some time slot that was not activated originally at a time is activated, the physical slot by time maximum transmission power that may directly allow with system sends, and can't adapt to network condition, has reduced throughput of system.
Summary of the invention
The purpose of this invention is to provide a kind of sending ending equipment and Poewr control method thereof, improve the transmitting power of physical slot by time and the matching between the network condition, improve throughput of system.
To achieve these goals, the embodiment of the invention provides a kind of sending ending equipment, is used for TDS-CDMA system, comprising:
Acquisition module is used for extracting the coded combination transport channel configuration information from the high level of communication entity, and obtains first physical slot by time of distributing to the current sessions process from the physical resource information of described coded combination transport channel configuration information;
The physical slot by time state analyzing module was used for number in described first physical slot by time greater than 1 o'clock, analyzed the state of first physical slot by time;
First power regulation module, the current transmit power that is used for described first physical slot by time is in the physical slot by time of state of activation is adjusted the default step-length of direction adjustment to power;
Second power regulation module is used for adjusting the current transmit power that described first physical slot by time is in the physical slot by time of idle condition, makes adjusted current transmit power adapt to current network conditions.
Above-mentioned sending ending equipment, wherein, described second power regulation module specifically comprises:
Judging unit, whether the continuous free time that is used to judge the described physical slot by time that is in idle condition obtains a judged result less than predetermined threshold value;
First adjustment unit is used for when described judged result indicates continuous free time less than predetermined threshold value, and the current transmit power of keeping the described physical slot by time that is in idle condition is constant;
Second adjustment unit, be used for when described judged result indicates continuous free time more than or equal to described predetermined threshold value, after the described physical slot by time that is in idle condition activated, the current transmit power of the activated code channel of the described physical slot by time that is in idle condition was set to the current transmit power of the activated code channel of first physical slot by time in described first physical slot by time.
Above-mentioned sending ending equipment, wherein, described second adjustment unit is specifically with Tx_Power
0α is as the described current transmit power that is in the physical slot by time of idle condition after activating, wherein:
Tx_Power
0Be the current transmit power of first physical slot by time in described first physical slot by time, SF
K1Be the spreading factor that described k1 the activated code channel that is in the physical slot by time of idle condition after activating uses, SF
0, k2The spreading factor that uses for k2 activated code channel of first physical slot by time in described first physical slot by time.
To achieve these goals, the embodiment of the invention also provides a kind of Poewr control method of sending ending equipment, is used for TDS-CDMA system, comprising:
Extract the coded combination transport channel configuration information from the high level of communication entity, and from the physical resource information of described coded combination transport channel configuration information, obtain first physical slot by time of distributing to the current sessions process;
Greater than 1 o'clock, analyze the state of first physical slot by time at the number of first physical slot by time;
The current transmit power that is in the physical slot by time of state of activation in described first physical slot by time is adjusted the default step-length of direction adjustment to power;
Adjust the current transmit power that is in the physical slot by time of idle condition in described first physical slot by time, make adjusted current transmit power adapt to current network conditions.
Above-mentioned method wherein, is in the current transmit power of the physical slot by time of idle condition in described first physical slot by time of described adjustment, make adjusted current transmit power adapt to current network conditions and specifically comprise:
Whether the continuous free time of judging the described physical slot by time that is in idle condition obtains a judged result less than predetermined threshold value;
When described judged result indicated continuous free time less than predetermined threshold value, the current transmit power of keeping the described physical slot by time that is in idle condition was constant;
When described judged result indicates continuous free time more than or equal to described predetermined threshold value, after the described physical slot by time that is in idle condition activated, the current transmit power of the activated code channel of the described physical slot by time that is in idle condition was set to the current transmit power of the activated code channel of first physical slot by time in described first physical slot by time.
Above-mentioned method, wherein, the current transmit power that the current transmit power of the activated code channel of the described physical slot by time that is in idle condition is set to the activated code channel of first physical slot by time in described first physical slot by time is specially:
With Tx_Power
0α is as the described current transmit power that is in the physical slot by time of idle condition after activating, wherein:
Tx_Power
0Be the current transmit power of first physical slot by time in described first physical slot by time, SF
K1Be the spreading factor that described k1 the activated code channel that is in the physical slot by time of idle condition after activating uses, SF
0, k2The spreading factor that uses for k2 activated code channel of first physical slot by time in described first physical slot by time.
The embodiment of the invention has following beneficial effect:
In the embodiment of the invention, the physical slot by time that will be in state of activation is not treated with the power control zone that is in the physical slot by time of idle condition, for the physical slot by time that is in idle condition, when free time is less than predetermined threshold value continuously, the current transmit power of keeping the described physical slot by time that is in idle condition is constant, otherwise the current transmit power of the activated code channel of the described physical slot by time that is in idle condition is set to the current transmit power of the activated code channel of first physical slot by time in described first physical slot by time.Under first kind of situation, because free time is shorter, so constant transmitting power can adapt to network condition, and under second situation, because the transmitting power of its activated code channel equals always to be in the transmitting power of activated code channel of first physical slot by time of state of activation, thus also can adapt to network condition, so with respect to prior art, improved physical slot by time and be transformed into transmitting power after the state of activation and matching between the network condition, improved throughput of system from idle condition.
Description of drawings
Fig. 1 is the structural representation of the sending ending equipment of the embodiment of the invention;
Fig. 2 is the schematic flow sheet of the method for the embodiment of the invention.
Embodiment
In the sending ending equipment and Poewr control method thereof of the embodiment of the invention, the physical slot by time of distributing to the user is divided into two types, one type of physical slot by time for being in the physical slot by time of state of activation and being in idle condition, for the physical slot by time that is in idle condition, in the Apparatus and method for of the embodiment of the invention, control is in the adjusted transmitting power of power of the physical slot by time of idle condition, improve the transmitting power of physical slot by time and the matching between the network condition, improve throughput of system.
The sending ending equipment of the embodiment of the invention comprises as shown in Figure 1:
Acquisition module, the high level (layer 2) that is used for from communication entity extracts the coded combination transport channel configuration information, and obtains first physical slot by time of distributing to the current sessions process from the physical resource information of described coded combination transport channel configuration information;
The physical slot by time state analyzing module was used for number in first physical slot by time greater than 1 o'clock, analyzed the state of first physical slot by time;
First power regulation module, the current transmit power that is used for first physical slot by time is in the physical slot by time of state of activation is adjusted the default step-length of direction adjustment to power, and described power is adjusted direction and is obtained according to the TPC bit;
Second power regulation module is used for adjusting the current transmit power that first physical slot by time is in the physical slot by time of idle condition, makes adjusted current transmit power adapt to current network conditions.
The method of the embodiment of the invention comprises as shown in Figure 2:
Whether step 22, the number of judging first physical slot by time be greater than 1, if enter step 23, otherwise enter step 24;
In specific embodiments of the invention, at first need to obtain first physical slot by time of distributing to the current sessions process, below to now being described as follows in fact.
Comprise the coded combination transport channel configuration information in the high level of communication entity (layer 2, i.e. air interface protocol structure sheaf), and comprise two parts in the coded combination transport channel configuration information:
Transmitting channel information is as transmission channel kinds, transmission block size, Transmission Time Interval, type of coding, transmission format set etc.; With
Physical resource information, as code channel, time slot etc.
Can obtain first physical slot by time of distributing to the current sessions process according to the physical resource information in the coded combination transport channel configuration information.
In the equipment and method of the embodiment of the invention, the physical slot by time of different conditions is treated with a certain discrimination when power is controlled, therefore need be known the state of physical slot by time, in specific embodiments of the invention, this physical slot by time state analyzing module specifically comprises:
The speeds match unit is used for carrying out rate-matched according to the method for 3GPP standard 25.222 definition, obtains the code channel sum of activation;
Computing unit according to time-gap number order from small to large, calculates the code channel number sum that a top n physical slot by time and a preceding N+1 physical slot by time can provide respectively;
Judging unit is judged the code channel number sum whether the code channel sum of described activation can provide greater than the top n physical slot by time, and N+1 code channel number sum that physical slot by time can provide before being less than or equal to, and obtains a judged result;
Indexing unit, the code channel number sum of indicating the code channel sum of described activation can provide greater than the top n physical slot by time in described judged result is provided, and during the code channel number sum that N+1 physical slot by time can provide before being less than or equal to, N+1 physical slot by time was the physical slot by time that is in state of activation before mark was described, other are the physical slot by time that is in idle condition, and wherein N is a nonnegative integer.
T when just calculating following condition and setting up:
Wherein: P
T, jThe code channel number of representing j physical slot by time, P
ActiveThe code channel sum that expression activates after calculating through rate-matched.
After distinguishing the physical slot by time that is in idle condition, just need carry out transmitting power control to the physical slot by time that is in idle condition, guarantee that adjusted current transmit power is less than or equal to the current transmit power before adjusting, in specific embodiments of the invention, can realize, be described in detail as follows respectively by following different mode.
In the specific embodiments of the invention, second power regulation module specifically comprises:
Judging unit is used for judging that continuous free time of physical slot by time that described first physical slot by time is in idle condition whether less than predetermined threshold value, obtains a judged result;
First adjustment unit, be used for when described judged result indicates continuous free time less than predetermined threshold value, current transmit power before directly will adjusting is as adjusted current transmit power, when physical slot by time was in idle condition, the current transmit power of just keeping the described physical slot by time that is in idle condition was constant;
Second adjustment unit, be used for when described judged result indicates continuous free time more than or equal to described predetermined threshold value, after the described physical slot by time that is in idle condition activated, the current transmit power of the activated code channel of the described physical slot by time that is in idle condition was set to the current transmit power of the activated code channel of first physical slot by time in described first physical slot by time.
And the transmitting power of physical slot by time equal this physical slot by time all be in the current transmit power sum of the code channel of activation.
Specifically can calculate current transmit power according to following formula:
Tx_Power
j＝Tx_Power
0α
Wherein, Tx_Power
jBe the transmitted power of j time slot of this user, j=0,1 ..., T-1, SF
J, kThe spreading factor that uses for k activated code channel of j time slot of this user.
Below above-mentioned dual mode is elaborated.
In first adjustment unit, the current transmit power before directly will adjusting is as adjusted current transmit power, and when physical slot by time was in idle condition, the current transmit power of keeping physical slot by time was constant.
A physical slot by time is in the processing procedure of a business, possible some Transmission Time Interval is in state of activation, some Transmission Time Interval is in idle condition, be in for those physical slot by time in the Transmission Time Interval of state of activation, utilizing conventional method to carry out power adjustment processing gets final product, and the duration that physical slot by time is in idle condition is during less than predetermined threshold value (this threshold value can be provided with as required), keep current transmit power constant in period at this section, just can eliminate physical slot by time in the prior art from bring after idle condition transfers state of activation to the unmatched problem of network condition, illustrate as follows.
Suppose that physical slot by time A is in idle condition in (time interval is less than predetermined threshold value) at t1 during this period of time to t2, and be in state of activation later at t2, for existing method, t1 to t2 during this period of time in, might serve as that constantly amplify on the basis with t1 transmitting power constantly, arrived t2 constantly, physical slot by time activates, and can carry out data with a very large transmitting power this moment and send.
Utilize the method for the embodiment of the invention, t1 to t2 during this period of time in, physical slot by time is in idle condition, because during this period of time at interval less than predetermined threshold value, and the variation of network condition is not too large substantially, and the adjustment of physical slot by time when being in state of activation is to adapt to network condition to change, and at t2 constantly, physical slot by time activates, will carry out data with t1 transmitting power constantly this moment sends, the front is jumped to, physical slot by time is to adapt to network condition in t1 transmitting power constantly, and because t1 arrives t2 interval during this period of time less than predetermined threshold value, the variation of network condition is less, so the transmitting power of t2 physical slot by time constantly equals the network condition after the transmitting power of t1 physical slot by time constantly also can adapt to variation, in terms of existing technologies, improve the transmitting power of physical slot by time and the matching between the network condition greatly, improve throughput of system.
In second adjustment unit, when described judged result indicates continuous free time more than or equal to described predetermined threshold value, after the described physical slot by time that is in idle condition activated, the current transmit power of the activated code channel of the described physical slot by time that is in idle condition was set to the current transmit power of the activated code channel of first physical slot by time in described first physical slot by time.
When free time was more than or equal to described predetermined threshold value continuously, at this moment, bigger variation had taken place in network condition, can't utilize t1 transmitting power constantly to handle again.But first time slot in first physical slot by time always is in state of activation, the transmitting power that is to say first time slot in first physical slot by time always adapts to network change, so just decide the transmitting power that changes the physical slot by time of state of activation from idle condition into according to the transmitting power of first time slot in first physical slot by time this moment.
The current transmit power of the activated code channel of the described physical slot by time that is in idle condition is set to the current transmit power of the activated code channel of first physical slot by time in described first physical slot by time, and because the current transmit power of the activated code channel of first physical slot by time in first physical slot by time always adapts to network condition, so after the physical slot by time that is in idle condition activates, the current transmit power that the current transmit power of its activated code channel is set to the activated code channel of first physical slot by time also can adapt to the variation of network condition, in terms of existing technologies, improve the transmitting power of physical slot by time and the matching between the network condition greatly, improve throughput of system.
With a kind of concrete application scenarios the embodiment of the invention is elaborated below.
In this application scenarios, business is the PS384K business based on packet switching, according to the definition of 3GPP standard, supposes that the coded combination transport channel configuration information of PS384K business is as shown in the table.
According to the content of putting down in writing in the above table, at first to carry out the distributed time slot number and detect, its business is dispensed on 3 physical slot by time, satisfies timeslot number greater than 1 condition, need carry out the state of physical slot by time and judge.
Following table is the physical code channel sum of the activation of professional all the transformat correspondences of PS384K.
| Transformat | The physical code channel sum that activates |
| Transformat TF0 (bit) | 1? |
| Transformat TF1 (bit) | 2? |
| Transformat TF2 (bit) | 4? |
| Transformat TF3 (bit) | 8? |
| Transformat TF4 (bit) | 16? |
| Transformat TF5 (bit) | 24? |
| Transformat TF6 (bit) | 32? |
| Transformat TF7 (bit) | 40? |
| Transformat TF8 (bit) | 48? |
Suppose that the high-rise transformat that sends is TF4, promptly 8 * 336, corresponding transmission rate is 128kbps, according to the result of table 2, this moment is as long as 16 code channels are activated, according to following formula:
Wherein, t=1,2 represent physical slot by time 5 and physical slot by time 6 respectively, and P
Active=16, can know according to above-mentioned formula: 0＜P
Active≤ P
1(16), therefore, physical slot by time 5 and 6 state are idle condition, and physical slot by time 4 is a state of activation.
At this moment, for physical slot by time 4, upgrade current transmit power P according to the following equation
TS4:
P
TS4＝P
TS4·P
TPC
Wherein, P
TPCRepresent the corresponding power of step-length that the needs corresponding with power control command word increase or reduce.
And, can obtain current transmit power (is example with physical slot by time 5) according to following manner for physical slot by time 5 and 6.During less than predetermined threshold value, keep current transmit power constant at one's leisure; At one's leisure greater than or during predetermined threshold value, then after physical slot by time 5 or 6 activates again, with the transmitting power of the activated code channel of physical slot by time 4 generation power, to adapt to network change as the activated code channel of physical slot by time 5 or 6.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a sending ending equipment is used for TDS-CDMA system, it is characterized in that, comprising:
Acquisition module is used for extracting the coded combination transport channel configuration information from the high level of communication entity, and obtains first physical slot by time of distributing to the current sessions process from the physical resource information of described coded combination transport channel configuration information;
The physical slot by time state analyzing module was used for number in described first physical slot by time greater than 1 o'clock, analyzed the state of described first physical slot by time;
First power regulation module, the current transmit power that is used for described first physical slot by time is in the physical slot by time of state of activation is adjusted the default step-length of direction adjustment to power;
Second power regulation module is used for adjusting the current transmit power that described first physical slot by time is in the physical slot by time of idle condition, makes adjusted current transmit power adapt to current network conditions.
2. sending ending equipment according to claim 1 is characterized in that, described physical slot by time state analyzing module comprises:
The speeds match unit is used to carry out rate-matched, obtains the code channel sum of activation;
Computing unit according to time-gap number order from small to large, calculates the first code channel number sum that the top n physical slot by time can provide, and a preceding N+1 physical slot by time second code channel number sum that can provide;
Whether judging unit, the code channel sum of judging described activation greater than the described first code channel number sum, and is less than or equal to the described second code channel number sum, obtains a judged result;
Indexing unit, be used for indicating the code channel sum of described activation greater than the described first code channel number sum in described judged result, and when being less than or equal to the described second code channel number sum, N+1 physical slot by time was the physical slot by time that is in state of activation before mark was described, and wherein said N is a nonnegative integer.
3. sending ending equipment according to claim 2 is characterized in that, described speeds match unit specifically is used for carrying out rate-matched according to the method for 3GPP standard 25.222 definition, obtains the code channel sum of described activation.
4. according to claim 1,2 or 3 described sending ending equipments, it is characterized in that described second power regulation module specifically comprises:
Judging unit, whether the continuous free time that is used to judge the described physical slot by time that is in idle condition obtains a judged result less than predetermined threshold value;
First adjustment unit is used for when described judged result indicates continuous free time less than predetermined threshold value, and the current transmit power of keeping the described physical slot by time that is in idle condition is constant;
Second adjustment unit, be used for when described judged result indicates continuous free time more than or equal to described predetermined threshold value, after the described physical slot by time that is in idle condition activated, the current transmit power of the activated code channel of the described physical slot by time that is in idle condition was set to the current transmit power of the activated code channel of first physical slot by time in described first physical slot by time.
5. sending ending equipment according to claim 4 is characterized in that, described second adjustment unit is specifically with Tx_Power
0α is as the described current transmit power that is in the physical slot by time of idle condition after activating, wherein:
Tx_Power
0Be the current transmit power of first physical slot by time in described first physical slot by time, SF
K1Be the spreading factor that described k1 the activated code channel that is in the physical slot by time of idle condition after activating uses, SF
0, k2The spreading factor that uses for k2 activated code channel of first physical slot by time in described first physical slot by time.
6. the Poewr control method of a sending ending equipment is used for TDS-CDMA system, it is characterized in that, comprising:
Extract the coded combination transport channel configuration information from the high level of communication entity, and from the physical resource information of described coded combination transport channel configuration information, obtain first physical slot by time of distributing to the current sessions process;
Greater than 1 o'clock, analyze the state of first physical slot by time at the number of first physical slot by time;
The current transmit power that is in the physical slot by time of state of activation in described first physical slot by time is adjusted the default step-length of direction adjustment to power;
Adjust the current transmit power that is in the physical slot by time of idle condition in described first physical slot by time, make adjusted current transmit power adapt to current network conditions.
7. method according to claim 6 is characterized in that, described number in first physical slot by time
Order was greater than 1 o'clock, and the step of analyzing the state of first physical slot by time specifically comprises:
Carry out rate-matched, obtain the code channel sum of activation;
According to time-gap number order from small to large, the second code channel number sum that first a code channel number sum that calculating top n physical slot by time can provide and a preceding N+1 physical slot by time can provide;
Whether the code channel sum of judging described activation greater than the described first code channel number sum, and is less than or equal to the described second code channel number sum, obtains a judged result;
The code channel sum of indicating described activation in described judged result is greater than the described first code channel number sum, and when being less than or equal to the described second code channel number sum, N+1 physical slot by time was the physical slot by time that is in state of activation before mark was described, and wherein said N is a nonnegative integer.
8. method according to claim 7 is characterized in that, described rate-matched step is specifically carried out rate-matched according to the method for definition in the 3GPP standard 25.222, obtains the code channel sum of described activation.
9. according to claim 6,7 or 8 described methods, it is characterized in that, be in the current transmit power of the physical slot by time of idle condition in described first physical slot by time of described adjustment, make adjusted current transmit power adapt to current network conditions and specifically comprise:
Whether the continuous free time of judging the described physical slot by time that is in idle condition obtains a judged result less than predetermined threshold value;
When described judged result indicated continuous free time less than predetermined threshold value, the current transmit power of keeping the described physical slot by time that is in idle condition was constant;
When described judged result indicates continuous free time more than or equal to described predetermined threshold value, after the described physical slot by time that is in idle condition activated, the current transmit power of the activated code channel of the described physical slot by time that is in idle condition was set to the current transmit power of the activated code channel of first physical slot by time in described first physical slot by time.
10. method according to claim 9, it is characterized in that the current transmit power that the current transmit power of the activated code channel of the described physical slot by time that is in idle condition is set to the activated code channel of first physical slot by time in described first physical slot by time is specially:
With Tx_Power
0α is as the described current transmit power that is in the physical slot by time of idle condition after activating, wherein:
Tx_Power
0Be the current transmit power of first physical slot by time in described first physical slot by time, SF
K1Be the spreading factor that described k1 the activated code channel that is in the physical slot by time of idle condition after activating uses, SF
0, k2The spreading factor that uses for k2 activated code channel of first physical slot by time in described first physical slot by time.
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|---|---|---|---|
| CN2008102410630A CN101483910B (en) | 2008-12-25 | 2008-12-25 | Sending terminal equipment and power control method thereof |
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|---|---|---|---|
| CN2008102410630A CN101483910B (en) | 2008-12-25 | 2008-12-25 | Sending terminal equipment and power control method thereof |
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| CN102026350B (en) * | 2009-09-23 | 2014-08-13 | 中兴通讯股份有限公司 | Method and terminal for power regulation |
| CN104168636A (en) * | 2013-05-17 | 2014-11-26 | 中兴通讯股份有限公司 | Small cell power control method and device |
| SG11201704232XA (en) * | 2014-11-25 | 2017-06-29 | Huawei Tech Co Ltd | Power control apparatus, network side device, user equipment and power control method |
| CN106961714B (en) * | 2016-01-12 | 2021-02-09 | 中兴通讯股份有限公司 | Method for processing transmission power state conversion time and terminal |
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